package io;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;

/**
 * 字符流
 */
public class OSWDemo {
    public static void main(String[] args) throws IOException {
        FileOutputStream fos = new FileOutputStream("osw.txt");
        OutputStreamWriter osw = new OutputStreamWriter(fos, StandardCharsets.UTF_8);
        osw.write("123");
        osw.write("456");
        System.out.println("ok");
        osw.close();

    }


}
